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About Slope Calculator & Tools

Slope Calculator & Tools is an all-in-one construction calculator designed for contractors, builders, roofers, carpenters, engineers, surveyors, architects, landscapers, and DIY users.

Calculate slopes, roof pitch, stairs, ramps, grades, and earthwork quickly with accurate formulas, live diagrams, and support for both metric and imperial units. Whether you're on a construction site or planning a home improvement project, this app helps you work faster and with confidence.

Features
Slope Calculator

• Calculate rise, run, slope length, angle, ratio, and grade (%)
• Live geometry diagrams
• Instant updates as values change
• Metric and imperial units

Roof Pitch Calculator

• Calculate roof pitch and roof angle
• Find rafter length
• Estimate roof area
• Convert between pitch, degrees, and percentage

Stair Calculator

• Calculate total rise and run
• Determine tread depth and riser height
• Calculate stair angle
• Find stringer length
• Comfort and consistency checks

Ramp Calculator

• Calculate ramp slope and length
• Determine angle and grade
• ADA-friendly calculations
• Suitable for wheelchair ramps and accessibility projects

Grade Calculator

• Road grading
• Driveway slope
• Drainage calculations
• Landscaping and site grading

Triangle Solver

Solve triangles using:
• SSS
• SAS
• ASA
• AAS

Perfect for construction, roofing, surveying, and geometry.

Cut & Fill Calculator

Estimate excavation and fill volumes for:
• Earthworks
• Landscaping
• Site preparation
• Construction projects

Unit Converter

Convert between:
• Millimeters
• Centimeters
• Meters
• Inches
• Feet
• Yards

Feet & Inch Converter

Quickly convert:
• Feet & inches to decimal feet
• Decimal feet to feet & inches
• Imperial measurements

Save Projects

• Save calculations
• Organize projects
• Reopen previous work anytime

Designed For

• Construction
• Roofing
• Carpentry
• Engineering
• Architecture
• Surveying
• Landscaping
• Home improvement
• DIY projects

Why You'll Love It

• Fast and accurate calculations
• Professional construction tools in one app
• Live visual diagrams
• Clean and easy-to-use interface
• Supports metric and imperial units
• Dark mode support
• Save projects for later
• Works offline

Whether you're calculating a roof pitch, designing stairs, checking a ramp slope, estimating earthwork, or solving construction geometry, Slope Calculator & Tools provides the reliable calculations you need on the job site or at home.